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Fun Facts About Planet Earth

Updated on November 18, 2016
The Earth is our home planet and the only one that we know for certain holds life.  A (mainly) blue sphere covered with swirls of white clouds, it is also the planet in our Solar System that we know most about.
The Earth is our home planet and the only one that we know for certain holds life. A (mainly) blue sphere covered with swirls of white clouds, it is also the planet in our Solar System that we know most about. | Source

As well as being our home, the Earth is also one of the most fascinating planets in our Solar system.

For one thing, it is the only planet where we know for sure that life exists! (Although there is still some hope that microorganisms might be found on Mars, or failing that, evidence that life existed there at some time in the past).

Other features that make the Earth unique are that it is the densest planet in the Solar System, and also that it is the largest of the four terrestrial planets.

It is also the only planet in the Solar System with a friendly atmosphere and gravity, where humans can live and breathe without the aid of space suits and space ships.

I hope that you enjoy reading my 15 fun facts about Planet Earth and find them interesting!

1. The Earth is the third planet from the Sun. Our nearest neighbors are Venus, the second planet from the Sun, and Mars, the fourth planet.

Our Solar System, showing the order of the planets and their relative sizes compared to each other. Notice that the Earth is the third planet from The Sun, situated between Venus and Mars.
Our Solar System, showing the order of the planets and their relative sizes compared to each other. Notice that the Earth is the third planet from The Sun, situated between Venus and Mars. | Source

2. The Earth is the fifth largest planet in the Solar System and the largest of the terrestrial planets. (A terrestrial planet is one that is mainly composed of rock and metal, rather than gases).

Earthrise, one of the most famous photographs of our world ever taken. It shows The Earth viewed from the surface of the Moon.  Photographs of The Earth from space gave human beings a brand new perspective of their home planet.
Earthrise, one of the most famous photographs of our world ever taken. It shows The Earth viewed from the surface of the Moon. Photographs of The Earth from space gave human beings a brand new perspective of their home planet. | Source

3. The Earth was formed about 4.6 billion years ago and life appeared within the first million years.

4. The planet has 10 million species of life living on it, including our own human species. It is the body in the Solar System that we know has life on it.

Quotes About The Earth

"It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn't feel like a giant. I felt very, very small." Neil Armstrong

"How inappropriate to call this planet Earth when it is quite clearly Ocean." Arthur C. Clarke

"We love our planet Earth. We should - it is our home, and there's no place like home. There can't ever be a better place than Earth." Dimitar Sasselov

5. 70 percent of the globe's surface is covered by water. There are 5 oceans: the Atlantic, Pacific, Indian, Southern, and Arctic. The oceans are 2 miles deep on average.

Most of the Earth's surface is covered by water. There are five oceans: The Arctic, Pacific, Atlantic, Indian, and Southern. Life on the planet is believed to have originally developed in the sea, before moving to land.
Most of the Earth's surface is covered by water. There are five oceans: The Arctic, Pacific, Atlantic, Indian, and Southern. Life on the planet is believed to have originally developed in the sea, before moving to land. | Source

6. The Earth's atmosphere consists of many layers, including the mesosphere, ionosphere, exosphere, and the thermosphere. The closest layer to the surface is called the troposphere. It is this layer that supports all life on Earth. At only 10 miles thick, the troposphere is also the thinnest layer of atmosphere.

7. The atmosphere is mainly made up of nitrogen (78%), oxygen (21%), argon (.93%), and carbon dioxide (0.03%).

8. The planet moves through space at 66,700 miles per hour.

The Moon viewed from Earth.  There are a number of theories regarding how The Moon was formed 4.5 billion years ago. The most widely accepted explanation currently is that it came from the debris of a collision between Earth and a Mars-sized body.
The Moon viewed from Earth. There are a number of theories regarding how The Moon was formed 4.5 billion years ago. The most widely accepted explanation currently is that it came from the debris of a collision between Earth and a Mars-sized body. | Source

9. The highest mountain on the globe is Everest in the Himalayas, but the biggest is Mauna Loa in Hawaii.

10. The Earth's distance from the Sun varies. The closest the planet comes to the Sun is 91million miles (146 million km) and the farthest is 94.5 million miles (152 million km).

More Quotes About Earth

"Personally, I do not know whether humankind is alone in this vast universe. But I do know that we should cherish our existence on this precious speck of matter... the greatest gift that could be bestowed upon us. For all practical purposes, there is only one planet Earth." Ban Ki-moon

"What if an asteroid were to strike planet Earth? What could we possibly do to prevent it? However many guys we have working on this problem, it can't possibly be enough." Timothy Noah

11. The globe's crust is made up of tectonic plates which move around and can clash with each other. As a result, there are about a million earthquakes taking place each year, although the vast majority of them are too weak to register.

The San Francisco earthquake of 1906 resulted in many fires breaking out, as well as buildings being damaged or flattened. Earthquakes are generally caused by the Earth's tectonic plates shifting.
The San Francisco earthquake of 1906 resulted in many fires breaking out, as well as buildings being damaged or flattened. Earthquakes are generally caused by the Earth's tectonic plates shifting. | Source

12. The planet's diameter is 7,926 miles (12,756 km). The circumference at the equator of the globe is 24,901 miles (40,075 kilometers).

13. The planet has one moon called Luna. It is the second brightest thing in the sky when viewed from Earth. We know that the Moon was formed about 4.53 billion years ago, but how it was formed is subject to debate.

The most popular theory amongst scientists at present is that it was formed as the result of a giant impact, where a body the size of Mars, which scientists call Theia, smashed into the newly formed planet, throwing material out into orbit, which eventually gathered together to form the Moon.

Stratocumulus clouds over the Pacific Ocean. The Earth has been called the Blue Planet, because when viewed from space, the most visible thing are the oceans that cover most of the surface.
Stratocumulus clouds over the Pacific Ocean. The Earth has been called the Blue Planet, because when viewed from space, the most visible thing are the oceans that cover most of the surface. | Source

14. The Earth is sometimes called The Blue Planet, because when it is viewed from space the combination of the oceans and atmosphere make it appear blue. The first full view color photo of the Earth was taken on December 7, 1972, as the Apollo 17 crew departed from the planet's orbit. The photo is known as the "Blue Marble" shot.

The Blue Marble Shot. Taken by the crew of Apollo 17 en route to the moon, the photo quickly became an iconic image. The photo from Mediterranean Sea to Antarctica. It was the first time that the south polar ice cap was captured from space.
The Blue Marble Shot. Taken by the crew of Apollo 17 en route to the moon, the photo quickly became an iconic image. The photo from Mediterranean Sea to Antarctica. It was the first time that the south polar ice cap was captured from space. | Source

15. Amongst the millions of species of life are the human beings. There are just over 7 billion of us living on the planet, according to the United States Census Bureau. The people of the planet are split into groups that occupy around 200 different countries.

© 2015 Paul Goodman

Comments

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    • Mark Johann profile image

      Mark Johann 

      3 years ago from Italy

      Nice hub. Now I know that the name of our moon is Luna. Thanks for sharing this hub. Google is not a tool for all information unless written first in an article like this, the start of a research. Well done!

    • Karine Gordineer profile image

      Karine Gordineer 

      3 years ago from Upstate New York

      Interesting hub...I did not realize that Earth was the densest planet. Voted up!

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